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EM300-SLD-868M Leak Detection Sensor - Probe Type

SKU EM300-SLD-868M

 EM300-SLD is a compact spot leakage detection sensor for detecting the presence of water (or other liquids) and transmitting an alarm using LoRaWAN® technology. With this low power consumption technology, EM300-SLD can work up to 5 years with 4000 mAh battery. Combined with a Milesight LoRaWAN®gateway, users can manage all sensor data remotely and visually and receive alarms via mobile APP.

EM300-SLD also integrates temperature and humidity sensors, which has great use for applications such as pipe leakage monitoring, basement flooding, pump failure, etc


  • Detect the presence of liquids by a small water probe and based on the conductive principle
  • Embedded with temperature and humidity sensors for environment monitoring
  • Ultra-wide-distance transmission up to line of sight of 10km
  • IP67 UV-resistant and waterproof enclosure for harsh environment applications 
  • Built-in 4000 mAh replaceable battery and works for more than 5 years without replacement
  • Store locally 3, 000 historical records and support retransmission to prevent data loss Support Milesight D2D protocol to enable ultra-low latency and direct control without gateways
  • Equipped with NFC for easily configuration
  • Compliant with standard LoRaWAN ® gateways and network servers

Measuring Range

  • Trigger Condition: When Liquid Level Reaches 5mm
  • Temperature: -30°C ~ 70°C
  • Humidity: 0% ~ 100% RH


Documentation & Downloads for EM300-SLD-868M

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